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Analyzing Traffic Patterns to Detect Infectious Messages

US 8,955,136 Term ended
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jun 30, 2025 (UBS AG, Stamford Branch).

Term ended Oct 27, 2025 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Feb 20, 2012 as application 13/400,548 · Granted Feb 10, 2015
Base term plus 133 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Oct 27, 2025
2005 2026
Clock starts
Jun 16, 2005
Term ended
Oct 27, 2025
Granted
Feb 10, 2015
base term patent term adjustment after the term ends fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
133
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
6
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 133 days past its 20-year base term on prosecution delay. Confidence: Medium. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jun 16, 2005, when application 11/156,373, the earliest non-provisional in its chain, was filed (this one was filed Feb 20, 2012); a parent in its chain could not be resolved (the next row)Jun 16, 2025High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+133 days, USPTO patent term adjustment recordOct 27, 2025High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderOct 27, 2025Medium confidence

This family

US 7,343,624Term ended
May 2026
May 2026
US 8,955,106Term ended
Oct 2025
Oct 2025
US 8,122,508In force
Mar 2027
Mar 2027
US 8,955,136this patent
Oct 2025
Oct 2025
US 9,237,163Term ended
Jun 2025
Jun 2025
US 10,069,851Lapsed on the fee record
Sep 2022
Sep 2022
The applications whose file history this site holds. The family may have others.

Assignments

The 40 most recent of 61 recorded documents are shown; the 21 earliest are not. Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Apr 5, 2017
Reel 42168, frame 114
Quest Software Inc.Sonicwall US Holdings Inc.Corrective Assignment to Correct the the Nature of Conveyance Previously Recorded at Reel: 041073 Frame: 0001. Assignor(S) Hereby Confirms the Intellectual Property Assignment..
Nov 15, 2017
Reel 44771, frame 107
Dell Software Inc.Quest Software Inc.Change of Name
Nov 28, 2017
Reel 44811, frame 598
Credit Suisse AG, Cayman Islands BranchQuest Software Inc. (F/K/A Dell Software Inc.); Aventail LLCCorrective Assignment to Correct the Assignee Previously Recorded at Reel: 040587 Frame: 0624. Assignor(S) Hereby Confirms the Assignment.
Nov 28, 2017
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchQuest Software Inc. (F/K/A Dell Software Inc.)Corrective Assignment to Correct the Assignee Previously Recorded at Reel: 040587 Frame: 0624. Assignor(S) Hereby Confirms the Assignment.
Nov 28, 2017
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchAventail LLCCorrective Assignment to Correct the Assignee Previously Recorded at Reel: 040587 Frame: 0624. Assignor(S) Hereby Confirms the Assignment.
May 22, 2018
Reel 46211, frame 735
Credit Suisse AG, Cayman Islands Branch, as Collateral AgentQuest Software Inc. (F/K/A Dell Software Inc.); Aventail LLCRelease of First Lien Security Interest in Patents Recorded at R/F 040581/0850
May 22, 2018
reel/frame not recorded
Credit Suisse AG, Cayman Islands Branch, as Collateral AgentQuest Software Inc. (F/K/A Dell Software Inc.)Release of First Lien Security Interest in Patents Recorded at R/F 040581/0850
May 22, 2018
reel/frame not recorded
Credit Suisse AG, Cayman Islands Branch, as Collateral AgentAventail LLCRelease of First Lien Security Interest in Patents Recorded at R/F 040581/0850
Jun 7, 2018
Reel 46321, frame 393
Sonicwall US Holdings Inc.UBS AG, Stamford Branch, as Collateral AgentSecond Lien Patent Security Agreement
Jun 7, 2018
Reel 46321, frame 414
Sonicwall US Holdings Inc.UBS AG, Stamford Branch, as Collateral AgentFirst Lien Patent Security Agreement
Jul 7, 2021
Reel 56785, frame 706
Sonicwall, Inc.PSM Merger Sub (Delaware), Inc.Corrective Assignment to Correct the Assignee's Name Previously Recorded at Reel: 027812 Frame: 0197. Assignor(S) Hereby Confirms the Merger.
Nov 3, 2021
Reel 58216, frame 1
Credit Suisse AG, Cayman Islands BranchAsap Software Express, Inc.; Aventail LLC; Credant Technologies, Inc.; Dell USA L.P.; Dell International, L.l.c.; Dell Marketing L.P.; Dell Products L.P.; Dell Software Inc.; Dell Systems Corporation; EMC Corporation; EMC IP Holding Company LLC; FORCE10 Networks, Inc.; Maginatics LLC; Mozy, Inc.; Scaleio LLC; Wyse Technology L.L.C.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchAsap Software Express, Inc.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchAventail LLCRelease of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchCredant Technologies, Inc.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchDell USA L.P.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchDell International, L.l.c.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchDell Marketing L.P.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchDell Products L.P.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchDell Software Inc.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchDell Systems CorporationRelease of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchEMC CorporationRelease of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchEMC IP Holding Company LLCRelease of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchFORCE10 Networks, Inc.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchMaginatics LLCRelease of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchMozy, Inc.Release of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchScaleio LLCRelease of Security Interest
Nov 3, 2021
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchWyse Technology L.L.C.Release of Security Interest
May 20, 2022
Reel 61753, frame 1
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentDell Marketing Corporation (Successor-in-Interest to Asap Software Express, Inc.); Dell Marketing L.P. (on Behalf of Itself and as Successor-in-Interest to Credant Technologies, Inc.); Dell USA L.P.; Dell International L.L.C.; Dell Products L.P.; Dell Marketing Corporation (Successor-in-Interest to FORCE10 Networks, Inc. and Wyse Technology L.L.C.); EMC Corporation (on Behalf of Itself and as Successor-in-Interest to Maginatics LLC); EMC IP Holding Company LLC (on Behalf of Itself and as Successor-in-Interest to Mozy, Inc.); Scaleio LLCRelease of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
May 20, 2022
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentDell Marketing Corporation (Successor-in-Interest to Asap Software Express, Inc.)Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
May 20, 2022
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentDell Marketing L.P. (on Behalf of Itself and as Successor-in-Interest to Credant Technologies, Inc.)Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
May 20, 2022
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentDell USA L.P.Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
May 20, 2022
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentDell International L.L.C.Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
May 20, 2022
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentDell Products L.P.Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
May 20, 2022
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentDell Marketing Corporation (Successor-in-Interest to FORCE10 Networks, Inc. and Wyse Technology L.L.C.)Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
May 20, 2022
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentEMC Corporation (on Behalf of Itself and as Successor-in-Interest to Maginatics LLC)Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
May 20, 2022
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentEMC IP Holding Company LLC (on Behalf of Itself and as Successor-in-Interest to Mozy, Inc.)Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
May 20, 2022
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentScaleio LLCRelease of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001)
Jun 16, 2025
Reel 71625, frame 887
UBS AG, Stamford Branch, as Collateral AgentSonicwall US Holdings Inc.Release of Second Lien Security Interest in Patents Recorded at RF 046321/0393
Jun 30, 2025
Reel 71777, frame 641
Sonicwall US Holdings Inc.UBS AG, Stamford Branch, as Collateral AgentFirst Lien IP Supplement

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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